CN101610472A - A kind of SMS universal data transmission equipment - Google Patents
A kind of SMS universal data transmission equipment Download PDFInfo
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- CN101610472A CN101610472A CNA2009100589829A CN200910058982A CN101610472A CN 101610472 A CN101610472 A CN 101610472A CN A2009100589829 A CNA2009100589829 A CN A2009100589829A CN 200910058982 A CN200910058982 A CN 200910058982A CN 101610472 A CN101610472 A CN 101610472A
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Abstract
The invention discloses a kind of SMS universal data transmission equipment, form by GSM Module, the antennal interface that links to each other with GSM Module, its structure also includes SIM card interface, CPU and the power supply processing module that links to each other with CPU respectively, state indicating equipment, FLASH memory and SRAM memory, GSM Module also links to each other with CPU and power supply processing module respectively, and the SIM card interface then links to each other with GSM Module.CPU also links to each other with user interface, and user interface comprises RS232 interface and RS485 interface, and RS232 interface and RS485 interface link to each other with CPU respectively.Also be provided with power interface and watchdog circuit on the power supply processing module, watchdog circuit directly links to each other with CPU.The present invention can simplify subscriber equipment significantly and realize short message receiving-transmitting, and easy to use, reliable, and possesses versatility.
Description
Technical field
The present invention relates to a kind of data transmission set, specifically be meant a kind of SMS universal data transmission equipment.
Background technology
At present, the service that GSM provides can be obtained required information whenever and wherever possible so that people are not subjected to the restriction of space, region, and the communication of GSM short message service is a kind of communication mode that grows up on communication infrastructure data.Therefore, just progressively be used widely, particularly in some special industries, as railway, oil, mining etc. based on the remote monitoring and control system of GSM note.
Most systems all adopts the mode that connects GSM Module to come integrated SMS at present, therefore GSM Module is also referred to as the note cat sometimes, this equipment externally provides serial ports, user's equipment can send the transmitting-receiving operation that the AT order realizes note by this serial ports, process is more loaded down with trivial details, and does not possess versatility.Under this mode, also need the user to realize the short message communication agreement by programming, the programing work amount is big, in many instances, subscriber equipment is not the words of computer, when can't programme, just can't use GSM Module, and GSM Module generally only provides standard RS232 interface, do not support the RS485 interface mode, if subscriber equipment is the RS485 interface mode, the user also needs to carry out voluntarily interface conversion so, if send Chinese short message, also will solve the conversion between GB2312 and the Unicode sign indicating number, so when adopting GSM Module to carry out the note transmission, the user uses also very inconvenient.In addition, under the situation that the equipment deadlock occurs, because GSM Module does not possess the ability and the note retransmission mechanism of automatic restore data, than being easier to cause loss of data.
Summary of the invention
The objective of the invention is to overcome the shortcoming and defect of above-mentioned prior art, a kind of SMS universal data transmission equipment is provided, this equipment not only can be simplified subscriber equipment significantly and realize short message receiving-transmitting, and very easy to use, reliable, and has possessed better generality.
Purpose of the present invention is achieved through the following technical solutions: a kind of SMS universal data transmission equipment, by GSM Module, and the antennal interface that links to each other with GSM Module is formed, its structure also includes SIM card interface, CPU and the power supply processing module that links to each other with CPU respectively, state indicating equipment, FLASH memory and SRAM memory, described GSM Module also links to each other with CPU and power supply processing module respectively, and described SIM card interface then links to each other with GSM Module.
For convenience the user uses, and described CPU also links to each other with user interface, and described user interface is made up of RS232 interface and RS485 interface, and described RS232 interface and RS485 interface link to each other with described CPU respectively.
On described power supply processing module, also be provided with a power interface.
In order to improve the reliability of this equipment, on described power supply processing module, also be provided with watchdog circuit, described watchdog circuit directly links to each other with CPU.
The present invention compared with prior art has following advantage and beneficial effect:
(1) built-in single-chip microcomputer, realized the short message communication agreement, the user only need be provided with several simple parameters, just can possess versatility by own mobile phone realization to remote control functions such as the transmission of the DATA REASONING of terminal unit remote, control, data and unit exception warnings;
(2) provide support to Chinese character.According to the GSM standard, note is in the transmission Chinese character, must be converted to corresponding Unicode coding to Chinese character, note data transmission terminal inside has possessed the conversion code table between Unicode and the GB2312 Hanzi internal code, so the Chinese character content exported on serial ports of user can be taked the GB2312 coded system used always.
(3) built-in watchdog circuit increases equipment dependability;
(4) provide RS232 interface and RS485 interface simultaneously,, do not need to carry out interface conversion and just can directly use, increased the convenience of using if subscriber equipment is the RS485 interface.
Description of drawings
Fig. 1 is the internal structure figure of this note data transmission equipment.
Embodiment
Below in conjunction with embodiment and accompanying drawing, to the detailed description further of the present invention's do, but embodiments of the present invention are not limited thereto.
Embodiment
As shown in Figure 1, this SMS universal data transmission equipment, by GSM Module, and the antennal interface that links to each other with GSMModule is formed, its structure also includes the SIM card interface, CPU, and the power supply processing module that links to each other with CPU respectively, the state indicating equipment, FLASH memory and SRAM memory, described FLASH memory is a nonvolatile storage, simply say to be exactly that the storage data of the inside after the power down can not lost, described SRAM memory is a synchronous DRAM, it is exactly the internal memory that our PC or embedded system CPU need use, described GSM Module also links to each other with CPU and power supply processing module respectively, and described SIM card interface then links to each other with GSM Module.For convenience the user uses, and described CPU also links to each other with user interface, and described user interface is made up of RS232 interface and RS485 interface, and described RS232 interface and RS485 interface link to each other with described CPU respectively.On described power supply processing module, also be provided with a power interface.In order to improve the reliability of this equipment, on described power supply processing module, also be provided with watchdog circuit, described watchdog circuit directly links to each other with CPU.Disturb under the situation that causes the equipment deadlock when site environment, can recover automatically by house dog, send under the situation of failure in note in addition, the note data transmission terminal possesses the function that resends automatically, can constantly attempt again, till note sends successfully.
When this equipment of use, power at first for the note data transmission terminal, read inner parameter, carry out internal initialization according to parameter, monitor the serial data bag, next allows GSM Module login the GSM network, when packet occurring on the serial ports, packet is converted to the short message communication agreement, sends by GSM Module, recipient's number is obtained by inner parameter.When GSM Module notice is received note, by short message communication agreement short message reading content, and content exported by serial ports. when finding that GSMModule falls to net, SMS universal data transmission equipment can be controlled GSM Module and login the GSM network again, when finding that GSM Module crashes, gsm module can reset, when in finding packet content, Chinese character being arranged, because note data transmission equipment inside has possessed the conversion code table between GB2312 and the Unicode Hanzi internal code, therefore the Chinese character content exported on serial ports of user can be taked the GB2312 coded system used always, this equipment carries out the conversion of GB2312 and Unicode automatically, and can remove the note of receiving automatically.
As mentioned above, just can realize the present invention preferably.
Claims (5)
1, a kind of SMS universal data transmission equipment, by GSM Module, and the antennal interface that links to each other with GSM Module is formed, it is characterized in that, also include SIM card interface, CPU, and the power supply processing module that links to each other with CPU respectively, state indicating equipment, FLASH memory and SRAM memory, described GSM Module also links to each other with CPU and power supply processing module respectively, and described SIM card interface then links to each other with GSMModule.
2, a kind of SMS universal data transmission equipment according to claim 1 is characterized in that, this equipment also comprises a user interface, and links to each other with described CPU.
3, a kind of SMS universal data transmission equipment according to claim 2 is characterized in that, described user interface is made up of RS232 interface and RS485 interface, and described RS232 interface and RS485 interface link to each other with described CPU respectively.
4, a kind of SMS universal data transmission equipment according to claim 1 is characterized in that, also is provided with a power interface on described power supply processing module.
5, a kind of SMS universal data transmission equipment according to claim 1 is characterized in that, also is provided with watchdog circuit on described power supply processing module, and described watchdog circuit directly links to each other with CPU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100589829A CN101610472A (en) | 2009-04-16 | 2009-04-16 | A kind of SMS universal data transmission equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100589829A CN101610472A (en) | 2009-04-16 | 2009-04-16 | A kind of SMS universal data transmission equipment |
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| Publication Number | Publication Date |
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| CN101610472A true CN101610472A (en) | 2009-12-23 |
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| CNA2009100589829A Pending CN101610472A (en) | 2009-04-16 | 2009-04-16 | A kind of SMS universal data transmission equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103870261A (en) * | 2012-12-14 | 2014-06-18 | 上海华虹宏力半导体制造有限公司 | SRAM (Static Random Access Memory) antenna LEF generation method |
| CN104218524A (en) * | 2014-08-14 | 2014-12-17 | 河南开启电力实业有限公司 | Simple GSM (global system for mobile communications) modem |
-
2009
- 2009-04-16 CN CNA2009100589829A patent/CN101610472A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103870261A (en) * | 2012-12-14 | 2014-06-18 | 上海华虹宏力半导体制造有限公司 | SRAM (Static Random Access Memory) antenna LEF generation method |
| CN103870261B (en) * | 2012-12-14 | 2017-03-29 | 上海华虹宏力半导体制造有限公司 | The generation method of SRAM aerial information files |
| CN104218524A (en) * | 2014-08-14 | 2014-12-17 | 河南开启电力实业有限公司 | Simple GSM (global system for mobile communications) modem |
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Open date: 20091223 |